CA1280815C - Clutch control system and clutch assembly using same - Google Patents
Clutch control system and clutch assembly using sameInfo
- Publication number
- CA1280815C CA1280815C CA000522590A CA522590A CA1280815C CA 1280815 C CA1280815 C CA 1280815C CA 000522590 A CA000522590 A CA 000522590A CA 522590 A CA522590 A CA 522590A CA 1280815 C CA1280815 C CA 1280815C
- Authority
- CA
- Canada
- Prior art keywords
- clutch
- control system
- speed
- signal
- modify
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000001276 controlling effect Effects 0.000 claims description 23
- 230000000875 corresponding effect Effects 0.000 claims description 15
- 230000004044 response Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 4
- 230000031070 response to heat Effects 0.000 claims 3
- 230000001133 acceleration Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/1819—Propulsion control with control means using analogue circuits, relays or mechanical links
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
- F16D48/064—Control of electrically or electromagnetically actuated clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/02—Clutches
- B60W2710/027—Clutch torque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0644—Engine speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/304—Signal inputs from the clutch
- F16D2500/30404—Clutch temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/304—Signal inputs from the clutch
- F16D2500/3042—Signal inputs from the clutch from the output shaft
- F16D2500/30421—Torque of the output shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/304—Signal inputs from the clutch
- F16D2500/3042—Signal inputs from the clutch from the output shaft
- F16D2500/30426—Speed of the output shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/306—Signal inputs from the engine
- F16D2500/3067—Speed of the engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/308—Signal inputs from the transmission
- F16D2500/30806—Engaged transmission ratio
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/70—Details about the implementation of the control system
- F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
- F16D2500/70402—Actuator parameters
- F16D2500/7041—Position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/70—Details about the implementation of the control system
- F16D2500/706—Strategy of control
- F16D2500/70668—Signal filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D28/00—Electrically-actuated clutches
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/810,618 US4638898A (en) | 1985-12-19 | 1985-12-19 | Clutch control system and clutch assembly using same |
US810,618 | 1985-12-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1280815C true CA1280815C (en) | 1991-02-26 |
Family
ID=25204252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000522590A Expired - Lifetime CA1280815C (en) | 1985-12-19 | 1986-11-10 | Clutch control system and clutch assembly using same |
Country Status (11)
Country | Link |
---|---|
US (1) | US4638898A (ko) |
EP (1) | EP0228544B1 (ko) |
JP (1) | JP2551420B2 (ko) |
KR (1) | KR900006596B1 (ko) |
CN (1) | CN1006149B (ko) |
BR (1) | BR8606575A (ko) |
CA (1) | CA1280815C (ko) |
DE (1) | DE3667770D1 (ko) |
ES (1) | ES2012338B3 (ko) |
IN (1) | IN166618B (ko) |
MX (1) | MX160652A (ko) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6217328A (ja) * | 1985-07-15 | 1987-01-26 | Diesel Kiki Co Ltd | 内燃機関車輛用制御装置 |
US4821190A (en) * | 1986-05-27 | 1989-04-11 | Ford Motor Company | Closed loop computer control for an automatic transmission |
US4867287A (en) * | 1986-06-20 | 1989-09-19 | Toyota Jidosha Kabushiki Kaisha | Control method for magnetic powder clutch |
JPS6314053U (ko) * | 1986-07-07 | 1988-01-29 | ||
US4807130A (en) * | 1986-12-24 | 1989-02-21 | Motorola, Inc. | Servo control system for transmission shaft speed control |
US4793454A (en) * | 1987-03-13 | 1988-12-27 | Borg-Warner Automotive, Inc. | Continuously variable transmission clutch control system |
JPH0626943B2 (ja) * | 1987-06-04 | 1994-04-13 | トヨタ自動車株式会社 | 車両用クラッチ制御装置 |
DE3737899A1 (de) * | 1987-11-07 | 1989-08-03 | Sachs Systemtechnik Gmbh | Vorrichtung zur automatischen betaetigung einer reibungskupplung |
US4873637A (en) * | 1988-02-10 | 1989-10-10 | Eaton Corporation | Control for vehicle start from stop operation |
US4831985A (en) * | 1988-02-17 | 1989-05-23 | Mabee Brian D | Throttle control system |
US4883037A (en) * | 1988-02-17 | 1989-11-28 | Automotive Products Plc | Throttle control system |
US5010989A (en) * | 1989-10-17 | 1991-04-30 | Borg-Warner Automotive, Inc. | Clutch control for high-response continuously variable transmission |
US5136897A (en) * | 1991-05-09 | 1992-08-11 | Eaton Corporation | Smooth upshift control method/system |
US5275267A (en) * | 1991-10-07 | 1994-01-04 | Eaton Corporation | Closed loop launch and creep control for automatic clutch with robust algorithm |
US5293316A (en) * | 1991-10-07 | 1994-03-08 | Eaton Corporation | Closed loop launch and creep control for automatic clutch |
US5383823A (en) * | 1993-06-10 | 1995-01-24 | Eaton Corporation | Clutch control |
US5634867A (en) * | 1994-09-19 | 1997-06-03 | Eaton Corporation | Main clutch reengagement control for a double clutch downshift |
GB9421350D0 (en) * | 1994-10-24 | 1994-12-07 | Eaton Corp | Automated clutch control and calibration |
DE4443652B4 (de) * | 1994-12-08 | 2012-01-19 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine |
US5529548A (en) * | 1995-01-09 | 1996-06-25 | Eaton Corporation | Vehicle launch engine fuel control |
EP0730105B1 (de) * | 1995-03-03 | 2001-07-25 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Steuereinrichtung zur Regelung des Schliessvorganges einer Trennkupplung für Kraftfahrzeuge |
FR2732276B1 (fr) * | 1995-04-03 | 1997-06-20 | Magneti Marelli France | Systeme a boite de vitesses mecanique robotisee |
GB9617930D0 (en) | 1996-08-28 | 1996-10-09 | Eaton Corp | Actuator system for vehicular automated clutches with electric motor actuator and pressurized override |
US6171212B1 (en) * | 1997-08-26 | 2001-01-09 | Luk Getriebe Systeme Gmbh | Method of and apparatus for controlling the operation of a clutch in the power train of a motor vehicle |
DE19809060A1 (de) | 1998-03-04 | 1999-09-09 | Zahnradfabrik Friedrichshafen | Verfahren zur Steuerung von schaltbaren Kupplungen zum Zweck des Anfahrens und Schaltens von Wechselgetrieben in Kraftfahrzeugen |
DE10302374B3 (de) * | 2003-01-22 | 2004-04-08 | Siemens Ag | Verfahren zur Erhöhung der Regeldynamik eines mindestens einer Lose und/oder Elastizität aufweisenden Antriebsstranges einer Werkzeug- oder Produktionsmaschine |
DE10305254A1 (de) * | 2003-02-08 | 2004-08-19 | Zf Friedrichshafen Ag | Verfahren zur Steuerung und Regelung einer Getriebebremse eines als Vorgelegegetriebe ausgebildeten Automatgetriebes |
US6790159B1 (en) * | 2003-02-21 | 2004-09-14 | Borgwarner, Inc. | Method of controlling a dual clutch transmission |
US20050109141A1 (en) * | 2003-11-25 | 2005-05-26 | Devore James H. | Automated mechanical transmission system |
FR2879526B1 (fr) * | 2004-12-20 | 2008-05-30 | Renault Sas | Procede d'aide au demarrage d'un vehicule automobile et dispositif associe |
DE102007055794A1 (de) * | 2007-12-13 | 2009-06-18 | Zf Friedrichshafen Ag | Verfahren zum Betreiben eines Antriebsstrangs eines Kraftfahrzeugs |
US8116956B2 (en) * | 2008-07-01 | 2012-02-14 | Eaton Corporation | Fault tolerant clutch actuator |
US8738256B2 (en) * | 2008-07-01 | 2014-05-27 | Eaton Corporation | Automatic calibration of the torque transfer touch point in an electrically actuated clutch in a hybrid vehicle |
AU2016260442B2 (en) * | 2015-05-14 | 2020-01-30 | Eaton Intelligent Power Limited | Control system for low speed positioning and pacing for on/off highway vehicles |
US9939032B1 (en) * | 2017-01-26 | 2018-04-10 | Ford Global Technologies, Llc | Method of controlling a transmission clutch |
CN112188970B (zh) * | 2018-05-23 | 2024-10-08 | 传输Cvt股份有限公司 | 控制离合器的接合速率 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3004447A (en) * | 1956-10-16 | 1961-10-17 | Gen Motors Corp | Transmission control device |
CS170253B1 (ko) * | 1968-09-17 | 1976-08-27 | ||
GB1375828A (ko) * | 1970-11-27 | 1974-11-27 | ||
GB1342623A (en) * | 1971-02-23 | 1974-01-03 | Ford Motor Co | Friction clutch control system |
DE2124024C2 (de) * | 1971-05-14 | 1982-06-16 | Daimler-Benz Ag, 7000 Stuttgart | Vorrichtung zur Regelung der Betätigungskraft eines Schaltgliedes bei automatisch geschalteten Stufengetrieben |
US4081065A (en) * | 1976-12-23 | 1978-03-28 | Smyth Robert Ralston | Controlled power clutch |
US4137721A (en) * | 1977-07-22 | 1979-02-06 | Sundstrand Corporation | Control system for plural engines |
DE3172588D1 (en) * | 1980-07-08 | 1985-11-14 | Automotive Prod Plc | Clutch control system |
DE3043347A1 (de) * | 1980-11-17 | 1982-07-01 | Sachs Systemtechnik Gmbh, 8720 Schweinfurt | Vorrichtung zur automatischen betaetigung einer kraftfahrzeugreibungskupplung |
JPS5737022A (en) * | 1980-08-15 | 1982-03-01 | Fuji Heavy Ind Ltd | Overheat preventive device of electromagnetic clutch for vehicle |
SU1195896A3 (ru) * | 1980-11-04 | 1985-11-30 | Automotive Prod Co Ltd | "элektpohhaя cиctema упpabлehия фpиkциohhoй mуфtoй cцeплehия tpahcпopthoгo cpeдctba" |
DE3045687A1 (de) * | 1980-12-04 | 1982-07-08 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur bereitstellung der maximal erforderlichen motorleistung fuer einen verbrennungsmotor, der zusammen mit einem generator ein bodenaggregat bildet |
JPS593601B2 (ja) * | 1981-07-30 | 1984-01-25 | 秀夫 長光 | 取水堰 |
US4487303A (en) * | 1982-12-27 | 1984-12-11 | Ford Motor Company | Automatic transmission start-up clutch control system |
JPH0758069B2 (ja) * | 1983-09-09 | 1995-06-21 | 株式会社日立製作所 | 圧縮機のモータ制御装置 |
-
1985
- 1985-12-19 US US06/810,618 patent/US4638898A/en not_active Expired - Lifetime
-
1986
- 1986-11-10 CA CA000522590A patent/CA1280815C/en not_active Expired - Lifetime
- 1986-11-13 EP EP86115775A patent/EP0228544B1/en not_active Expired
- 1986-11-13 DE DE8686115775T patent/DE3667770D1/de not_active Expired - Lifetime
- 1986-11-13 ES ES86115775T patent/ES2012338B3/es not_active Expired - Lifetime
- 1986-12-09 IN IN897/CAL/86A patent/IN166618B/en unknown
- 1986-12-11 JP JP61295703A patent/JP2551420B2/ja not_active Expired - Fee Related
- 1986-12-17 MX MX4691A patent/MX160652A/es unknown
- 1986-12-17 KR KR1019860010797A patent/KR900006596B1/ko not_active IP Right Cessation
- 1986-12-18 CN CN86108241.9A patent/CN1006149B/zh not_active Expired
- 1986-12-19 BR BR8606575A patent/BR8606575A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1006149B (zh) | 1989-12-20 |
CN86108241A (zh) | 1987-08-26 |
EP0228544B1 (en) | 1989-12-27 |
MX160652A (es) | 1990-04-05 |
DE3667770D1 (de) | 1990-02-01 |
IN166618B (ko) | 1990-06-16 |
ES2012338B3 (es) | 1990-03-16 |
EP0228544A1 (en) | 1987-07-15 |
BR8606575A (pt) | 1987-10-20 |
US4638898A (en) | 1987-01-27 |
KR900006596B1 (ko) | 1990-09-13 |
JPS62203829A (ja) | 1987-09-08 |
JP2551420B2 (ja) | 1996-11-06 |
KR870005844A (ko) | 1987-07-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKLA | Lapsed |